.head-top{
    /* width: 100%; */
    height: 120px;
    background-color: #0483d4;
    font-size: 30px;
    color: #fff;
    line-height: 120px;
    padding-left: 80%;
    
}
.head-right{
    width:210px;
    height: 600px;
    background-color: #4b97e9;
    float: left;

}
.head-list{
    height: 25px;
    color: #fff;
    font-size: 16px;
    padding: 10px;
    line-height: 25px;
    border-bottom: 2px solid #fff;
    padding-left: 60px;
}
.head-li{
    height: 15px;
    color: #fff;
    font-size: 1px;
    padding: 10px;
    line-height: 15px;
    border-bottom: 2px solid #fff;
    background-color: #66baf3;
    padding-left: 80px;
}

.head-right{
    width:180px;
    /* height: 480px; */
    background-color: #4b97e9;
    float: left;

}
.head-list{
    height: 25px;
    color: #fff;
    font-size: 16px;
    padding: 10px;
    line-height: 25px;
    border-bottom: 2px solid #fff;
    padding-left: 60px;
}
.head-li{
    height: 15px;
    color: #fff;
    font-size: 1px;
    padding: 10px;
    line-height: 15px;
    border-bottom: 2px solid #fff;
    background-color: #66baf3;
    padding-left: 80px;
}

.home-box{
    width: 190px;
    height: 180px;
    background-color: rgba(231, 229, 229, 0.795);
    float: left;
    margin: 35px;
    margin-right: 70px;
    color: #000;
    font-size: 20px;
    border-radius: 30px;
    line-height: 180px;
    text-align: center;
}
.title{
    height: 25px;
    padding-top: 30px;
    border-bottom: 1px solid #c2c2c2;
    padding-left: 50%;
    font-weight: bold;
}
.student{
    margin-left: 250px;
    margin-top: 20px;
    
   
}
table{            
    border-right: 1px solid;
    border-top: 1px solid;
    margin-top: 20px;
    margin-right: 40px;
}
td{
    border-left: 1px solid;
    border-bottom: 1px solid;
    text-align:center;  
    width:120px;
    height: 25px;
}
th{
    border-left: 1px solid;
    border-bottom: 1px solid;
    text-align:center;  
    width:120px;
    background-color: rgba(231, 229, 229, 0.795);
    height: 25px;
} 
.addstu{
    line-height: 30px;
}
span{
    margin-right: 10px;
}
.checktable{
    margin-top: 40px;
    margin-left: 250px;
}